'''
Author: @zhyy
Date: 2021-01-31 13:57:31
LastEditors: @zhyy
LastEditTime: 2021-01-31 14:04:01
'''


cache_status={
    # 读数据
    "ok":{"code":"readok","data":""},
    "no data":{"code":"no data "},
    "exp":{"code":"exp"},
    
    # 写
    "ok":{"code":"writeok",},
    "exp":{"code":"exp"},
}


'''
1,读一条数据
try:
    读数据
except:
    异常->e   
no data
    -> none
data
    ->data
'''
'''
1,写条数据
try:
    写数据
except:
    异常->e   
ok
    ->ok
'''